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Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/09/2024, 06:51

General

  • Target

    225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe

  • Size

    285KB

  • MD5

    a9ba74e3e542e965104c652efdf5518f

  • SHA1

    aa2c72203bf0afd7b3adff00168553ad39290995

  • SHA256

    225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918

  • SHA512

    ec63eb3ea99c6b1801a868262a74354219f5862707b729d06bde06d7734eeeaf0c980bcee89498d2267d7082e6593c955d8c0a0472387ad66f96f3b3ec1b4ab3

  • SSDEEP

    6144:Bbs/Zm+dR+u27z2ejvmej83EkVYuQTdJ2q:B4LdR+u2/EG876hdJ2q

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Deletes itself 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe
    "C:\Users\Admin\AppData\Local\Temp\225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe" & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "225d26dc45027e503e449bdf4c189c81a84c89c73fbf5634838e6d2847d73918.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\39GEHZPO\download[1].htm

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/1488-2-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1488-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1488-3-0x0000000000400000-0x0000000002B68000-memory.dmp

    Filesize

    39.4MB

  • memory/1488-8-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1488-9-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1488-12-0x0000000000400000-0x0000000002B68000-memory.dmp

    Filesize

    39.4MB

  • memory/1488-22-0x0000000000400000-0x0000000002B68000-memory.dmp

    Filesize

    39.4MB

  • memory/1488-24-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1488-23-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB